ASB-A-257685302

See a problem?
Import Source
https://storage.googleapis.com/android-osv-test/ASB-A-257685302.json
JSON Data
https://api.osv.dev/v1/vulns/ASB-A-257685302
Aliases
A-257685302
CVE-2023-20938
Published
2023-02-01T00:00:00Z
Modified
2024-10-23T16:43:06.926828Z
Summary
[none]
Details
In bindertransactionbuffer_release of binder.c, there is a possible use after free due to improper input validation. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
References
Affected packages

Android / :linux_kernel:

Package

Name: :linux_kernel:
Affected ranges

Type: ECOSYSTEM
Events: Introduced

:0

Fixed

:2023-02-05
Affected versions

Other

Kernel
Ecosystem specific

{
    "vanir_signatures": [
        {
            "digest": {
                "length": 1430.0,
                "function_hash": "57945802677388285131097155261641647313"
            },
            "id": "ASB-A-257685302-1552da2e",
            "source": "https://android.googlesource.com/kernel/common/+/b83173bf86a9",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_translate_fd_array"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "313038343658523166098122802958393760212",
                    "79585464711390825773146389051625175757",
                    "317779735065705914265218652713383388803",
                    "166755683901155706002653544848751424853",
                    "49603946625177244447655409331865704870",
                    "196099616718076240974560046639620912560",
                    "320565108516915093738966781449632902187",
                    "44181199260964991641388260005340116566"
                ]
            },
            "id": "ASB-A-257685302-2470333c",
            "source": "https://android.googlesource.com/kernel/common/+/3d213a626d2d",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 664.0,
                "function_hash": "91869882802570489353794730447307150389"
            },
            "id": "ASB-A-257685302-5fc0c001",
            "source": "https://android.googlesource.com/kernel/common/+/ecf61e4e1117",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_validate_fixup"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "171335071513895933684184407593823852615",
                    "325418759592380779109831887762015796638",
                    "332937077662932921333468009412047321706",
                    "276141416899833850205745375790761887321",
                    "4079439885600407237917879878128313413",
                    "105123348396467664253291481053206501256",
                    "204737502273952766487289186793575359482",
                    "128583920883112561240995779383957243132",
                    "339868506594060780308247171587246119268",
                    "14627703930768104670442087088049371917",
                    "159915512480703037822487027189685120451",
                    "2561234358977219620233924279977044970",
                    "66179632263662113519635300925958754783",
                    "124388178721508897478113822975235500722",
                    "32481842790416207709892857913848201042",
                    "292446978351397708820022539007114790999",
                    "113370200733887540242796582837106810410",
                    "136448339102410493426761318702850349593",
                    "304525695876675098162679085920684094131",
                    "270101087789634106786638640312885616848",
                    "136686632346252236927452545084974572124",
                    "268115394793404073965793332135000269390",
                    "156327223111107971670545973839891112676",
                    "118339170135735007929174159342865594512",
                    "299117685636427853904675259319319240818",
                    "216282612910912424023664806028242651552",
                    "298176824356441214070682504711865561728",
                    "189416767533494821807093667296734307003",
                    "146516978718876602036078054534935674744",
                    "266328633130757262502916901134092415652",
                    "84092113608922744965377527757994593052",
                    "56047827477131484440382871418356976395",
                    "144478590624008630579923883231529448752",
                    "252127214552400640217329936821107776388",
                    "159169346308791919967441346954204992982",
                    "93384550581534813993095683213776446569",
                    "272404684973194687530974399029958284958",
                    "204453388122476165211955989860727873681",
                    "105620736149989701760986925347424930602",
                    "206397993764610442578165597264234621180",
                    "82833711310266718373763597108249649645",
                    "228380810704289439125157658705172749981",
                    "170856108397531140798738060679654426415",
                    "11231285199968441033892034000843556781",
                    "255054076581705504454167037020205578749",
                    "53617137612131030922399887131964360045",
                    "48534919645216013854928504630155012245",
                    "316792453862166379538970109097758551705",
                    "273890691662029611280288922443820659952",
                    "79197573414375217578091679727071937047",
                    "126838830693680163958417488057650980711",
                    "290850874630722683322019632945070310270",
                    "310131076936357127579846459187285102334",
                    "215372859735167040187423255208971341780",
                    "291062044375349338443907754571626559319",
                    "34482563917857670547109487495528342777",
                    "172134048104431205250728083402640561169",
                    "282590568175585839312153329819282505542",
                    "315155901167968932616364252308014862943",
                    "193480537496269791291342402853198984222",
                    "81122600633440935369829299487512367979",
                    "288148170942017626711320536927022973648",
                    "62344002304814458109213218270931770093",
                    "204470245081551354799914085845754791996",
                    "331664817902302299707573577672352623346",
                    "6676078178989048166129400109647666754",
                    "332497652786353907120027233619836324312",
                    "77751336726975278052879758801921998823"
                ]
            },
            "id": "ASB-A-257685302-69c880e8",
            "source": "https://android.googlesource.com/kernel/common/+/b83173bf86a9",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 18030.0,
                "function_hash": "231264112836681023874653530974917757549"
            },
            "id": "ASB-A-257685302-6a147b30",
            "source": "https://android.googlesource.com/kernel/common/+/b83173bf86a9",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_transaction"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 17179.0,
                "function_hash": "210746506091991529203173294119143117590"
            },
            "id": "ASB-A-257685302-7ce724e4",
            "source": "https://android.googlesource.com/kernel/common/+/ecf61e4e1117",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_transaction"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 1545.0,
                "function_hash": "119948824473799413475964795563750262444"
            },
            "id": "ASB-A-257685302-9591fc53",
            "source": "https://android.googlesource.com/kernel/common/+/9d1efccf5ec3",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_translate_fd_array"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 1555.0,
                "function_hash": "61610249985876790489875390670524750316"
            },
            "id": "ASB-A-257685302-98679b41",
            "source": "https://android.googlesource.com/kernel/common/+/baa23246e93f",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_translate_fd_array"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "331032649659762140329746357118325587818",
                    "187919186652363767262604227344282716371",
                    "193638154824715627411209064685636887206",
                    "125761131662848632512908218297428348287",
                    "235858469338214043767516813840372053488",
                    "207564999877910988557998500619786662118",
                    "95804486118658353119685414029045349828",
                    "182696624687549586206170809607878277140",
                    "141639874508149372350126717933285208646",
                    "104465143218031432792746587971553533570",
                    "136991770082207253598130283370774965008",
                    "259071462392032024243295072200624361416",
                    "75975514144403690512762410148132157210",
                    "67899959032322660406371579653953660302",
                    "164017127693028828485863229850205566265",
                    "277075463220841064973198334309486878090",
                    "114475775666788469740955988147764846277",
                    "15271480388400453898267304075181077374",
                    "30324278119300181735077070075534258475",
                    "281140757013475997955224013037853076134",
                    "303576058439284697433813223973640715914",
                    "128755819520080884544732033559361135362",
                    "77007989014537484270712497552999266862",
                    "90029718341534024297714048121163814760",
                    "64303508953871705486821018272115072596",
                    "297341669190664679643122445027527034287",
                    "189641357755601163472653188010259275972",
                    "266328633130757262502916901134092415652",
                    "19184206755870061037506901885140550467",
                    "22607831762225904401448839198272419152",
                    "162734732299696050431200819884792838973",
                    "155046924050975885159208047673524923333",
                    "275603334085135672984528440634388478821",
                    "163797010499279859586237025076216259816",
                    "261112106206145541210921848099885835173",
                    "299406580473306240523247703998087592969",
                    "7050131746381336174023626379064292566",
                    "9564415964560967540738060200092911767",
                    "251823795643657220013629050747334555663",
                    "183499398107863695675165911583514911687",
                    "30917030446581167408268688149589905257",
                    "81122600633440935369829299487512367979",
                    "325012192028996930195256894474057284344",
                    "49152329496976274012463120931916281653",
                    "170856108397531140798738060679654426415",
                    "195339188588366934591170321607178191982",
                    "20948929669783423775062448280635001904",
                    "307859567405713780862510378609578748820",
                    "23789848340119422349429263979233895155",
                    "213745379502025442325282339688555895387",
                    "113536260867180042003582703346942858658",
                    "262924220355841436083237106566774136383",
                    "256765235562957862323100146301306913538",
                    "226654309603514662690539653611202802837",
                    "274716059360982123978490194095786793827",
                    "34140001061243060429382988761987188390",
                    "61946646001172054611776366438031917779",
                    "16220470106246329378704050134155255506",
                    "32951849135974059486491216712090348280",
                    "203138997455811472977131135896718846490",
                    "264042234155545223551566569171528197941",
                    "108204720054035793368918776963872795123",
                    "77212645171851350650526329075082368946",
                    "52985072506018903541759667931074273038",
                    "195049892207750417969628958451966347784",
                    "265534341521180545425792405566635647219",
                    "99934451615264582823623705492858809277",
                    "115348326218142486597619428165414157305",
                    "68986750830794522154329956781784503222",
                    "204470245081551354799914085845754791996"
                ]
            },
            "id": "ASB-A-257685302-a6536268",
            "source": "https://android.googlesource.com/kernel/common/+/ecf61e4e1117",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 835.0,
                "function_hash": "257190768084405496496280914387137311462"
            },
            "id": "ASB-A-257685302-ac04bf8e",
            "source": "https://android.googlesource.com/kernel/common/+/ecf61e4e1117",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_get_object"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "76413718956316227580128835055484033677",
                    "100993195217200887978990576864595725505",
                    "69579650707171643059787736796833135953"
                ]
            },
            "id": "ASB-A-257685302-b1eb7d6f",
            "source": "https://android.googlesource.com/kernel/common/+/baa23246e93f",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "threshold": 0.9,
                "line_hashes": [
                    "217924808121203078722163240254339859360",
                    "202156220889908926793505286111009998237",
                    "94240196824344451212270157435688652201",
                    "199041341265905909295502514476558977621"
                ]
            },
            "id": "ASB-A-257685302-b2414602",
            "source": "https://android.googlesource.com/kernel/common/+/9d1efccf5ec3",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c"
            },
            "signature_type": "Line"
        },
        {
            "digest": {
                "length": 518.0,
                "function_hash": "6370078938843598649401455209708465665"
            },
            "id": "ASB-A-257685302-b41a9b8c",
            "source": "https://android.googlesource.com/kernel/common/+/ecf61e4e1117",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_validate_ptr"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 3234.0,
                "function_hash": "182449170348391727578650341492101035369"
            },
            "id": "ASB-A-257685302-c85a214b",
            "source": "https://android.googlesource.com/kernel/common/+/ecf61e4e1117",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_transaction_buffer_release"
            },
            "signature_type": "Function"
        },
        {
            "digest": {
                "length": 1113.0,
                "function_hash": "87421648900353374154151640776668162653"
            },
            "id": "ASB-A-257685302-f935ba46",
            "source": "https://android.googlesource.com/kernel/common/+/3d213a626d2d",
            "deprecated": false,
            "signature_version": "v1",
            "target": {
                "file": "drivers/android/binder.c",
                "function": "binder_do_deferred_txn_copies"
            },
            "signature_type": "Function"
        }
    ],
    "fixes": [
        "https://android.googlesource.com/kernel/common/+/baa23246e93f",
        "https://android.googlesource.com/kernel/common/+/3d213a626d2d",
        "https://android.googlesource.com/kernel/common/+/9d1efccf5ec3",
        "https://android.googlesource.com/kernel/common/+/b83173bf86a9",
        "https://android.googlesource.com/kernel/common/+/aaf236971732",
        "https://android.googlesource.com/kernel/common/+/ecf61e4e1117"
    ],
    "spl": "2023-02-05",
    "severity": "High",
    "types": [
        "EoP"
    ]
}